Java數據導入導出Excel

2008-10-09

java導出Excel例子

關鍵字: java例子

//在service層寫的，在action直接調用此方法就行了

//導出Excel
public boolean exportExcel(HttpServletResponse response,List<Cityinfo> list)
    {  
try
{
OutputStream os = response.getOutputStream();// 取得輸出流  
        response.reset();// 清空輸出流  
        response.setHeader("Content-disposition", "p_w_upload; filename=fine.xls");// 設定輸出文件頭  
        response.setContentType("application/msexcel");// 定義輸出類型
       
        WritableWorkbook wbook = Workbook.createWorkbook(os); // 建立excel文件  
        String tmptitle = "財務報表"; // 標題  
        WritableSheet wsheet = wbook.createSheet(tmptitle, 0); // sheet名稱 
       
// 設置excel標題  
WritableFont wfont = new WritableFont(WritableFont.ARIAL, 16,WritableFont.BOLD,
                       false,UnderlineStyle.NO_UNDERLINE,Colour.BLACK);  
WritableCellFormat wcfFC = new WritableCellFormat(wfont);
wcfFC.setBackground(Colour.AQUA);
wsheet.addCell(new Label(1, 0, tmptitle, wcfFC));  
wfont = new jxl.write.WritableFont(WritableFont.ARIAL, 14,WritableFont.BOLD,
                   false, UnderlineStyle.NO_UNDERLINE,Colour.BLACK);  
wcfFC = new WritableCellFormat(wfont); 

// 開始生成主體內容                  
wsheet.addCell(new Label(0, 2, "城市代碼"));  
wsheet.addCell(new Label(1, 2, "城市名")); 

for(int i=0;i<list.size();i++)  
{  
    wsheet.addCell(new Label(0, i+3, list.get(i).getCityid()));   //數據庫的城市代碼字段
    wsheet.addCell(new Label(1, i+3, list.get(i).getName()));  //數據庫的城市名字段

   
}          
// 主體內容生成結束          
wbook.write(); // 寫入文件  
wbook.close();  
os.close(); // 關閉流
return true;
}
catch(Exception ex)
{
ex.printStackTrace();
return false;
}
    }